-21+7y+9y=101

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Solution for -21+7y+9y=101 equation: 


Simplifying
-21 + 7y + 9y = 101

Combine like terms: 7y + 9y = 16y
-21 + 16y = 101

Solving
-21 + 16y = 101

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '21' to each side of the equation.
-21 + 21 + 16y = 101 + 21

Combine like terms: -21 + 21 = 0
0 + 16y = 101 + 21
16y = 101 + 21

Combine like terms: 101 + 21 = 122
16y = 122

Divide each side by '16'.
y = 7.625

Simplifying
y = 7.625

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